Answer: a.
Would appreciate brainly <3
Answer:
x = -30
Step-by-step explanation:
x - (-10) = -20
Subtracting a negative is adding
x+10 = -20
Subtract 10 from each side to isolate x
x+10-10 = -20-10
x = -30
Answer:
1.perpendicular
2.parallel
Step-by-step explanation:
3.perpendicular
4.perpendicular
Answer:
Mac is 19 years old, Joe is 11 years old
Step-by-step explanation:
2J - 3 = M
J + M = 30
M = 30 - J
2J - 3 = 30 - J
3J = 33
J = 11
M = 30 - 11
M = 19
Y = 2x + 4 and y = 3x + 1
Therefore, 2x + 4 = 3x + 1